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Slender thistle

Scientific Name
Carduus pycnocephalus
Scientific Author
Linnaeus, C (1753)
Taxonomy
(Magnoliophyta: Magnoliopsida: Asterales: Asteraceae)
Reliability
Medium
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Diagnostic Images

Seed Dorsal
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Caption
Seed Project
Source
Clare McLellan Museum Victoria
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Diagnostic Images (8)
Diagnostic Notes
Pictured: Achene

Disseminule: Fruit (referred to as achene or seed unit)

Description

Achene appendages: Ridges and grooves

Achene Colour: Straw colour

Achene Length: 4 - 7mm

Achene Sculpture: Striate

Achene Shape: Narrowly oblong

Achenes 4–5 mm long; pappus bristles subequal, 10–14 mm long.
More Information
Author
Clare McLellan
Created
10/04/2012 03:38 AEST
Last Updated
17/01/2013 12:42 AEST
Citation
Clare McLellan (2012) Slender thistle (Carduus pycnocephalus ) Updated on 1/17/2013 12:42:11 PM Available online: PaDIL - http://www.padil.gov.au.
Image Use
Free for use under the Creative Commons Attribution 3.0 Australia License

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